Home / 8,719.84-13,061.53-6,501.86

Finding the Fourth Proportional to 8,719.84, 13,061.53 and 6,501.86

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Solution

The fourth proportional to 8,719.84, 13,061.53 and 6,501.86 is: 9,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.84 : 13,061.53 = 6,501.86 : x
  2. Step 2: Convert to fraction form
    8,719.84/13,061.53 = 6,501.86/x
  3. Step 3: Cross multiply
    8,719.84x = 13,061.53 × 6,501.86
  4. Step 4: Simplify right side
    8,719.84x = 84,924,239.45
  5. Step 5: Solve for x
    x = 84,924,239.45/8,719.84
  6. Step 6: Final answer
    x = 9,739.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.